CA1226902A - Diagnostic protection circuit and method - Google Patents
Diagnostic protection circuit and methodInfo
- Publication number
- CA1226902A CA1226902A CA000478195A CA478195A CA1226902A CA 1226902 A CA1226902 A CA 1226902A CA 000478195 A CA000478195 A CA 000478195A CA 478195 A CA478195 A CA 478195A CA 1226902 A CA1226902 A CA 1226902A
- Authority
- CA
- Canada
- Prior art keywords
- resistor
- port pin
- transistor
- load network
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
- Tests Of Electronic Circuits (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
- Logic Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/597,905 US4612638A (en) | 1984-04-09 | 1984-04-09 | Diagnostic protection circuit and method using tri-state control and positive feedback |
US06/597,905 | 1984-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1226902A true CA1226902A (en) | 1987-09-15 |
Family
ID=24393399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000478195A Expired CA1226902A (en) | 1984-04-09 | 1985-04-02 | Diagnostic protection circuit and method |
Country Status (6)
Country | Link |
---|---|
US (1) | US4612638A (ja) |
EP (1) | EP0163845B1 (ja) |
JP (1) | JP2514789B2 (ja) |
CA (1) | CA1226902A (ja) |
DE (1) | DE3571699D1 (ja) |
MX (1) | MX157769A (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4706561A (en) * | 1984-10-25 | 1987-11-17 | Genicom Corporation | Printing activator test circuit generating back EMF |
US5263170A (en) * | 1985-02-16 | 1993-11-16 | Omron Tateisi Electronics, Co. | Monitor circuit for detecting noise conditions through input output coincidence comparison |
US5182803A (en) * | 1986-12-12 | 1993-01-26 | Heidelberger Druckmaschinen Ag | System for inputting and/or outputting signals of a digital control system for a printing machine including a digital filter |
US4860210A (en) * | 1987-03-06 | 1989-08-22 | Chrysler Motors Corporation | Method of determining and using a filtered speed error in an integrated acceleration based electronic speed control system for vehicles |
US4849892A (en) * | 1987-03-06 | 1989-07-18 | Chrysler Motors Corporation | Method of determining and using an acceleration correction in an integrated acceleration based electronic speed control system for vehicles |
US4896267A (en) * | 1987-03-06 | 1990-01-23 | Chrysler Motors Corporation | Electronic speed control system for vehicles, a method of determining the condition of a manual transmission clutch and of a park/neutral gear in an automatic transmission |
US4890231A (en) * | 1987-03-06 | 1989-12-26 | Chrysler Motors Corporation | Method of disabling a resume switch in an electronic speed control system for vehicles |
DE3724926A1 (de) * | 1987-07-28 | 1989-02-09 | Bayerische Motoren Werke Ag | Schaltungsanordnung zur ueberpruefung der zuleitungen eines schalters oder sensors |
US4887512A (en) * | 1988-04-29 | 1989-12-19 | Chrysler Motors Corporation | Vent reservoir in a fluid system of an automatic transmission system |
US4955336A (en) * | 1988-04-29 | 1990-09-11 | Chrysler Corporation | Circuit for determining the crank position of an ignition switch by sensing the voltage across the starter relay control and holding an electronic device in a reset condition in response thereto |
US4901561A (en) * | 1988-04-29 | 1990-02-20 | Chrysler Motors Corporation | Throttle position sensor data shared between controllers with dissimilar grounds |
US5017910A (en) * | 1989-08-24 | 1991-05-21 | Deere & Company | Intermittent fault detection system |
US5218682A (en) * | 1991-05-10 | 1993-06-08 | Chrysler Corporation | Two-way handshake circuit and method for communication between processors |
US5510950A (en) * | 1994-10-05 | 1996-04-23 | Ford Motor Company | Method and circuit for controlling and monitoring a load |
US5694282A (en) * | 1996-03-04 | 1997-12-02 | Ford Motor Company | Short circuit protection system |
US5920452A (en) * | 1998-06-01 | 1999-07-06 | Harris Corporation | Circuit and method for protecting from overcurrent conditions and detecting an open electrical load |
US6246559B1 (en) * | 1999-03-26 | 2001-06-12 | Honeywell International Inc | Power controller with short circuit protection |
US7259588B2 (en) * | 2003-07-29 | 2007-08-21 | Lexmark International Inc. | Tri-state detection circuit for use in devices associated with an imaging system |
US7679370B2 (en) * | 2007-02-09 | 2010-03-16 | Delphi Technologies, Inc. | Controller having discrete driver circuitry connected to a single processor port |
WO2015035290A1 (en) | 2013-09-06 | 2015-03-12 | Trane International Inc. | Diagnostics for systems including variable frequency motor drives |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194113A (en) * | 1978-04-13 | 1980-03-18 | Ncr Corporation | Method and apparatus for isolating faults in a logic circuit |
DE2824414C3 (de) * | 1978-06-03 | 1982-02-11 | Brown, Boveri & Cie Ag, 6800 Mannheim | Prüfschaltung |
CH625932B (fr) * | 1979-05-31 | Ebauches Electroniques Sa | Circuit integre apte a reagir a la presence et a la nature d'un circuit recepteur exterieur. | |
US4300085A (en) * | 1979-07-18 | 1981-11-10 | Hitachi Koki Company, Limited | Failure detection method and circuit for stepping motors |
US4414863A (en) * | 1980-02-19 | 1983-11-15 | Deere & Company | Automatic electronic control for a power shift transmission |
JPS58164323A (ja) * | 1982-03-25 | 1983-09-29 | Nissan Motor Co Ltd | 半導体スイツチ回路 |
US4516076A (en) * | 1982-09-17 | 1985-05-07 | The Singer Company | Fault detection arrangement for relay switching system |
US4449058A (en) * | 1983-03-14 | 1984-05-15 | Rockwell International Corporation | Load status monitoring apparatus |
-
1984
- 1984-04-09 US US06/597,905 patent/US4612638A/en not_active Expired - Lifetime
-
1985
- 1985-04-02 MX MX204829A patent/MX157769A/es unknown
- 1985-04-02 CA CA000478195A patent/CA1226902A/en not_active Expired
- 1985-04-03 DE DE8585104083T patent/DE3571699D1/de not_active Expired
- 1985-04-03 EP EP85104083A patent/EP0163845B1/en not_active Expired
- 1985-04-09 JP JP60073657A patent/JP2514789B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0163845A1 (en) | 1985-12-11 |
EP0163845B1 (en) | 1989-07-19 |
MX157769A (es) | 1988-12-13 |
DE3571699D1 (en) | 1989-08-24 |
JPS61841A (ja) | 1986-01-06 |
US4612638A (en) | 1986-09-16 |
JP2514789B2 (ja) | 1996-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1226902A (en) | Diagnostic protection circuit and method | |
KR100190479B1 (ko) | 전기/전자스위치의기능감시장치 | |
KR100221907B1 (ko) | 전기부하의 기능적 감시를 위한 장치 및 방법 | |
US4516076A (en) | Fault detection arrangement for relay switching system | |
EP0010882B1 (en) | A switching circuit | |
CA2042344C (en) | Mdi fault detection apparatus using initial turn-on and noise timers | |
US5731700A (en) | Quiescent power supply current test method and apparatus for integrated circuits | |
US5880918A (en) | Method and device for monitoring the serviceability of a load | |
EP0241270B1 (en) | Self-testing monitoring circuit | |
EP1465313B1 (en) | Method and device for short circuit or open load detection | |
US6462558B1 (en) | Electronic circuit for monitoring voltage variation | |
US6314350B1 (en) | Methods and apparatus for generating maintenance messages | |
JP3313718B2 (ja) | 複数のコイルをモニタするための回路構成 | |
US5455517A (en) | Data output impedance control | |
US5193177A (en) | Fault indicating microcomputer interface units | |
KR100518995B1 (ko) | 전기회로장치 | |
JP2621481B2 (ja) | 駆動回路の診断方式 | |
JP2001238432A (ja) | 半導体電力変換装置 | |
US6141162A (en) | Magnetic recording device | |
JPH0142054Y2 (ja) | ||
JP3481402B2 (ja) | 論理集積回路の試験装置 | |
EP3947947A1 (en) | Method and circuitry to detect and prevent shorting in fuel injector drive circuitry | |
JPS6233483Y2 (ja) | ||
CN113156297A (zh) | 开关量输出电路故障诊断方法、装置及芯片 | |
EP0371296B1 (en) | Microcomputer interface arrangement |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |